Interstellar Boundary Explorer IBEX

The Interstellar Boundary Explorer (IBEX) is a Small Explorer (SMEX) mission selected by NASA in January 2005 for development and flight. IBEX will provide the first global views of the Sun’s interstellar boundaries; unveiling the physics of the heliosphere’s interstellar interaction; providing a deeper understanding of the heliosphere and thereby astrospheres throughout the galaxy; and creating the opportunity to make even greater unanticipated discoveries.

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The Imager for Low Energetic Neutral Atoms experiment (ILENA) at the Physikalisches Institut of the University of Bern is used to evaluate charge state conversion surfaces for low energy neutral particle instruments.